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杨小舟蛾(Micromelalopha troglodyta)是危害杨树的主要食叶害虫[1]。2009年、2010年对各世代蛹在林间的分布规律进行详细的观察研究,发现蛹越冬代主要在树冠下疏松土层内、其它代主要在树冠下浅土层、枯叶、杂草下化蛹,少量在树皮缝、树上叶苞内。
Micromelalopha troglodyta is a major leaf-pest that damages poplars [1]. In the years of 2010 and 2010, the distribution and distribution of pupae of different generations in the forest were observed and studied in detail. It was found that the pupae were mainly in the loose soil under the canopy over the winter, while the other generations were mainly under the canopy under the canopy, dead leaves and weeds Pupae, a small amount of bark in the seams, the leaves on the tree bud.